1000 Services, 1 Year, 0 Downtime: Airbnb’s Zonal Cluster Migration - Sunny Beatteay, Airbnb

This talk covers Airbnb's ambitious migration of over 1,000 production services from regional Kubernetes clusters to zonal clusters within a year, achieving zero user-visible downtime. Sunny Beatteay describes the challenges faced by the Cloud Infrastructure team during this major initiative and shares insights into the technical and organizational strategies that facilitated the migration. The session highlights key practices such as rollout automation, capacity planning, and cross-company coordination that were crucial to the project's success. Attendees will gain practical knowledge on de-risking large infrastructure projects and managing significant changes across multiple service owners without affecting production.